Question

A survey was conducted among 500 families regarding
the types of fuel that they use for cooking purpose.
It is known that 200 people use Kerosene, 270 people
use LPG and 240 people use Electricity 72 people use
both Kerosene and LPG. 126 people use both LPG and
Electricity, 62 use both Kerosene and Electricity. It is also
known that, 20 people use none among these three.
12.how many people use at most one type of fuel?​​

Answer 1

Answer:

I hope you got it.

Explanation:

and it is helpful for you